Abstract
The structures of mono, di, and tri-O-methyl derivatives of 2,4,6-trinitrophloroglucinol were determined by single crystal X-ray diffraction. As the number of methoxy groups increased from one to three the unit cell volume increased at a rate greater than the formula weight of the asymmetric unit such that crystal density decreased from 1.823 to 1.619 Mg/m3. The structural data reveal that the decreased density is related to increased angles between the plane of the phenyl ring and the planes defined by the nitro and methoxy groups, as well as fewer inter molecular interactions.
Graphical Abstract
The structures of mono, di, and tri-O-methyl derivatives of 2,4,6-trinitrophloroglucinol were determined by single crystal X-ray diffraction. As the number of methoxy groups increased from one to three the unit cell volume increased at a rate greater than the formula weight of the asymmetric unit such that crystal density decreased from 1.823 to 1.619 Mg/m3.
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Acknowledgments
This research was supported by the Department of Defense: Strategic Environmental Research and Development Program (SERDP Project # WP 1582) performed under ATK Aerospace Systems Contract W912HQ-07-C-0018, and by the Naval Research Laboratory.
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Deschamps, J.R., Straessler, N.A. Structure of O-Methyl-trinitrophloroglucinol Derivatives. J Chem Crystallogr 41, 971–975 (2011). https://doi.org/10.1007/s10870-011-0027-5
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DOI: https://doi.org/10.1007/s10870-011-0027-5